Doctors and health care providers in Orange, CA
13,245 individual NPPES records list a practice address in Orange, 11th of 812 California cities. The largest group is behavior technician: 4,271, 32% of the city's records, against 18% across California. Page 90 of 265.
The 8 largest groups in Orange
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Orange in California
- Rank in California11th of 812 cities by records
- Share of the state1.4% of California's records
- Specialties present25 or more taxonomy codes
- Top three groups42% of all records
- Behavior Technician rank7th of the 10 California cities with the most
Compared with California as a whole, Orange has 7.3× the state's share of other technician records and 0.43× its share of physical therapist records.
Providers in Orange, alphabetically
- Kyra GroveStudent in an Organized Health Care Education/Training Program1659214849
- Kenneth Grubbs, D.O.Family Medicine Physician1588773295
- Tessa Gruen, MDStudent in an Organized Health Care Education/Training Program1366381360
- Emily GruhnBehavior Technician1669104089
- Robert Grumet, M.D.Sports Medicine (Orthopaedic Surgery) Physician1508055393
- Lauren Grusenmeyer, AU.D.Audiologist1699344192
- Gustavo Gryzinski, MDStudent in an Organized Health Care Education/Training Program1346982592
- Xinyang Gu, MDStudent in an Organized Health Care Education/Training Program1386583136
- Carmelo GuadalupeBehavior Technician1649106824
- Adonai GuardadoBehavior Technician1063001451
- Damaris GuardadoPsychiatric/Mental Health Nurse Practitioner1073357703
- Sarah GubaraPsychologist1447013842
- Jack Guccione, MDStudent in an Organized Health Care Education/Training Program1336706266
- Bhavani Gudlavalleti, MDStudent in an Organized Health Care Education/Training Program1780388017
- Audrey GudschinskyBehavior Technician1063382422
- Betsy GuerecaBehavior Technician1447132600
- Sherllyn GuerinSpeech-Language Assistant1710457973
- Brianna GuerraBehavior Technician1952160103
- Crystal GuerraSocial Worker1487939963
- Angelica GuerreroOther Technician1912503228
- Danielle GuerreroMarriage & Family Therapist1891455424
- Emily GuerreroBehavior Technician1235904137
- Jacqueline Guerrero, M.D.Obstetrics & Gynecology Physician1891912911
- Jose GuerreroBehavior Analyst1043776222
- Karime GuerreroBehavior Technician1588411797
- Melissa GuerreroBehavior Technician1457248502
- Ruben GuerreroRehabilitation Practitioner1942780978
- Sebastian GuerreroBehavior Technician1316821408
- Stephanie GuerreroBehavior Technician1619681715
- Azucena Guerrero HernandezBehavior Technician1750119178
- Noah GuestAddiction (Substance Use Disorder) Counselor1144829359
- Alexis GuevaraBehavior Technician1972069805
- Eric Guevara, P.A.Physician Assistant1295003457
- Yvette GuevaraBehavior Technician1629727995
- Amanda Guevara-BlancoBehavior Technician1003595711
- David Guichet, D.D.S.Prosthodontics1831262120
- Gregory Guichet, D.D.S.Prosthodontics1437222718
- Phillip Guichet, MDVascular & Interventional Radiology Physician1154853265
- Emeli GuijarroBehavior Technician1982545885
- Daniel GuillenBehavior Technician1457817868
- Nereida Guillen, MSW, ACSWClinical Social Worker1124347919
- Paola GuillenBehavior Technician1083203475
- Miguel Guillermo, PMNHNPPsychiatric/Mental Health Nurse Practitioner1225969751
- Jeremy Guinn, MDStudent in an Organized Health Care Education/Training Program1154904175
- Ryan Guinoo, CRNACertified Registered Nurse Anesthetist1548999071
- Fahad Gul, MDInterventional Cardiology Physician1255825402
- Minkle Gulati, DDSDentist1144835380
- Vivek GulatiAnesthesiology Physician1013572387
- Gina GulinoAddiction (Substance Use Disorder) Counselor1174199376
- Paula Gull, RNPAdult Health Nurse Practitioner1154476000
The largest California cities
- Los Angeles69,537
- San Diego52,937
- San Francisco38,143
- Sacramento33,083
- San Jose20,925
How to read this directory
Orange, California appears in the CMS National Plan and Provider Enumeration System with 13,245 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Orange - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Orange practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.
The provider mix in Orange is weighted toward Behavior Technician (4,271 clinicians, followed by Student in an Organized Health Care Education/Training Program with 870 and Marriage & Family Therapist with 424). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to California's population, Orange reports roughly 34 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.
Of California's most common specialties, Case Manager/Care Coordinator is the most prominent one with no provider currently listing a Orange practice address, a coverage gap Orange patients typically fill by traveling to a larger nearby hub.
For Orange patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.
For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.
Common questions
How many doctors are in Orange, CA?
There are 13,245 registered healthcare providers in Orange, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Orange?
The most common specialties in Orange are Behavior Technician, Student in an Organized Health Care Education/Training Program, Marriage & Family Therapist, Clinical Social Worker, Mental Health Counselor. Behavior Technician has the most providers with 4,271.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.